Gates 23755 Radiator Coolant Hose - Lower

Gates Molded Coolant Hose for Mercedes-Benz Lower Cooling Service

The Gates 23755 molded coolant hose is a direct-fit lower radiator coolant hose for select Mercedes-Benz models. Built with EPDM, plastic, and steel, it follows the shape and connection style needed for OE-style cooling system routing.

Gates Molded Coolant Hose line focuses on application-specific modular coolant hoses that mirror original equipment layouts, including integrated components such as quick-connect fittings where required. This helps maintain proper hose routing and connection integrity on the vehicle.

Key Features

• Part number 23755 molded coolant hose for lower cooling system routing
• Application-specific shape for select Mercedes-Benz CL500, S430, S500, CL55 AMG, and S55 AMG models
• Constructed from EPDM, plastic, and steel for cooling system use
• Includes one female quick connector and one quick-connect fitting
• Modular hose design with molded construction for OE-style fitment
• Centerline length: 22 in. (559 mm)
• End inside diameters: 1.55 in. (39 mm) and 1.93 in. (49 mm)

Detailed Description

Gates 23755 is a molded radiator coolant hose engineered for the lower position on select Mercedes-Benz vehicles. It is built as a modular coolant hose with a female quick connector, matching the type of integrated connection commonly used in OE cooling assemblies. This part number 23755 is listed for 2000-2006 Mercedes-Benz CL500, 2000-2006 Mercedes-Benz S430, 2000-2003 Mercedes-Benz S500, 2005-2006 Mercedes-Benz S500, 2001-2002 Mercedes-Benz CL55 AMG, and 2001-2002 Mercedes-Benz S55 AMG, all in the lower position.

This Gates molded coolant hose is shaped to follow the factory routing and connection points used in the vehicle’s cooling system. It is a practical replacement when servicing a leaking, cracked, or heat-aged lower radiator hose on Mercedes-Benz CL500 and S430 applications, as well as S500, CL55 AMG, and S55 AMG models.

This part cross-references Dayco 72709 for the same application.

What This Hose Helps Address

• Coolant leaks from a cracked or deteriorated lower radiator hose
• Softening, swelling, or collapse of an aging coolant hose
• Improper hose routing after cooling system repair
• Connection issues at the quick-connect end of the hose assembly
• Heat-related hose failure in the lower cooling circuit

Installation Notes and Tips

Confirm the vehicle year, model, and lower hose routing before installation. Inspect mating connectors, clamps, and nearby cooling system components for wear or residue before replacing the hose. Verify that the quick connector seats fully and that the hose follows the original path without twist or tension.

Quality Assurance

Gates is a recognized automotive aftermarket supplier of modular coolant hose assemblies, with products built to application-specific OE-style dimensions and integrated component layouts. Part number 23755 is manufactured for direct replacement use in the listed Mercedes-Benz applications.